"HIPO Region" means:
- Afghanistan
- Albania
- Algeria
- American Samoa
- Andorra
- Angola
- Anguilla
- Antigua and Barbuda
- Argentina
- Armenia
- Aruba
- Azerbaijan Republic
- Bahamas
- Bahrain
- Bangladesh
- Barbados
- Belarus
- Belize
- Benin
- Bermuda
- Bhutan
- Bolivia
- Bosnia and Herzegovina
- Botswana
- Brazil
- British Virgin Islands
- Brunei Darussalam
- Bulgaria
- Burkina Faso
- Burma
- Burundi
- Cambodia
- Cameroon
- Cape Verde Islands
- Cayman Islands
- Central African Republic
- Chad
- Chile
- Colombia
- Comoros
- Congo, Democratic Republic of the
- Congo, Republic of the
- Cook Islands
- Costa Rica
- Cote d Ivoire (Ivory Coast)
- Croatia, Democratic Republic of the
- Cyprus
- Czech Republic
- Denmark
- Djibouti
- Dominica
- Dominican Republic
- Ecuador
- Egypt
- El Salvador
- Equatorial Guinea
- Eritrea
- Estonia
- Ethiopia
- Falkland Islands (Islas Malvinas)
- Fiji
- Finland
- French Guiana
- French Polynesia
- Gabon Republic
- Gambia
- Georgia
- Ghana
- Gibraltar
- Greece
- Greenland
- Grenada
- Guadeloupe
- Guam
- Guatemala
- Guernsey
- Guinea
- Guinea-Bissau
- Guyana
- Haiti
- Honduras
- Hungary
- Iceland
- Iraq
- Israel
- Jamaica
- Jan Mayen
- Jersey
- Jordan
- Kazakhstan
- Kenya
- Kiribati
- Kuwait
- Kyrgyzstan
- Laos
- Latvia
- Lebanon, South
- Lesotho
- Liberia
- Libya
- Liechtenstein
- Lithuania
- Luxembourg
- Macedonia
- Madagascar
- Malawi
- Maldives
- Mali
- Malta
- Marshall Islands
- Martinique
- Mauritania
- Mauritius
- Mayotte
- Mexico
- Micronesia
- Moldova
- Monaco
- Mongolia
- Montenegro
- Montserrat
- Morocco
- Mozambique
- Namibia
- Nauru
- Nepal
- Netherlands Antilles
- New Caledonia
- Nicaragua
- Niger
- Nigeria
- Niue
- Norway
- Oman
- Pakistan
- Palau
- Panama
- Papua New Guinea
- Paraguay
- Peru
- Portugal
- Puerto Rico
- Qatar
- Reunion
- Romania
- Rwanda
- Saint
- Helena
- Saint Kitts-Nevis
- Saint Pierre and Miquelon
- Saint Vincent and the Grenadines
- San Marino
- Saudi Arabia
- Senegal
- Serbia
- Seychelles
- Sierra Leone
- Slovakia
- Slovenia
- Solomon Islands
- Somalia
- South Africa
- Sri Lanka
- Sudan
- Suriname
- Svalbard
- Swaziland
- Sweden
- Tahiti
- Tajikistan
- Tanzania
- Togo
- Tonga
- Trinidad and Tobago
- Tunisia
- Turkey
- Turkmenistan
- Turks and Caicos Islands
- Tuvalu
- Uganda
- Ukraine
- United Arab Emirates
- Uruguay
- Uzbekistan
- Vanuatu
- Venezuela
- Virgin Islands (U.S.)
- Wallis and Futuna
- Western Sahara
- Western Samoa
- Yemen
- Zambia
- Zimbabwe